Proton Spin–Lattice Relaxation Study of the Setting Reaction in Conventional and Resin-Modified Glass-Ionomer Dental Cements

. The setting processes in KetacCem, AquaCem and Fuji I glass-ionomer dental cements (GIC) as well as in the resin-modified glass-ionomer dental cement (RM-GIC) Fuji Plus have been studied by proton spin–lattice, T 1 , and spin–spin, T 2 , relaxation. The setting time dependence of the degree of hyd...

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Bibliographic Details
Published in:Applied magnetic resonance 2008-04, Vol.33 (3), p.323-332
Main Authors: Apih, T., Cevc, P., Blinc, R., Jevnikar, P., Funduk, N.
Format: Article
Language:English
Subjects:
Atoms and Molecules in Strong Fields
Dental cement
Ionomers
Laser Matter Interaction
Magnetic induction
NMR
Nuclear magnetic resonance
Organic Chemistry
Physical Chemistry
Physics
Physics and Astronomy
Protons
Resins
Setting (hardening)
Solid State Physics
Spectroscopy/Spectrometry
Spin-lattice relaxation
Zinc oxide
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Summary:. The setting processes in KetacCem, AquaCem and Fuji I glass-ionomer dental cements (GIC) as well as in the resin-modified glass-ionomer dental cement (RM-GIC) Fuji Plus have been studied by proton spin–lattice, T 1 , and spin–spin, T 2 , relaxation. The setting time dependence of the degree of hydration was studied as well. In contrast to zinc oxide dental cements, the changes in T 1 and T 2 are determined by the interactions of the water with the internal surface. Proton nuclear magnetic resonance relaxation is thus suitable to follow the setting of GIC and RM-GIC and gives valuable information on the GIC hardening dynamics.
ISSN:0937-9347
1613-7507
DOI:10.1007/s00723-008-0072-1